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Monthly climate in Millinocket, Maine, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Millinocket features a humid continental climate (Dfb).Temperatures typically range between -9 °C (17 °F) and 20 °C (68 °F) through the year, but rarely can drop to -29 °C (-20 °F) or can rise to as high as 34 °C (93 °F).The average annual precipitation amounts to about 1241 mm (48.9 inches) and receives 129 rainy days on the 1 mm (0.04 inches) threshold annually.Millinocket enjoys an average of 2788 hours of sunshine throughout the year, and daylight varies from 8 hours 44 minutes to 15 hours 37 minutes per day.

Monthly average temperatures in Millinocket, Maine, United States §

The warmest months in Millinocket are June, July and August, with daily mean temperatures ranging from 17 to 20 °C (62 - 68 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -9 to -6 °C (17 - 22 °F) throughout the day. On average each year, Millinocket experiences 35 days above 25 °C (77.0 °F) and 150 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Millinocket, Maine, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 10°C
(51°F)		 8°C
(47°F)		 15°C
(59°F)		 20°C
(68°F)		 31°C
(88°F)		 32°C
(91°F)		 34°C
(93°F)		 32°C
(90°F)		 32°C
(90°F)		 24°C
(75°F)		 21°C
(70°F)		 14°C
(58°F)
Mean maximum 6°C
(44°F)		 7°C
(45°F)		 9°C
(48°F)		 16°C
(61°F)		 28°C
(82°F)		 28°C
(83°F)		 30°C
(87°F)		 31°C
(88°F)		 27°C
(81°F)		 21°C
(70°F)		 16°C
(62°F)		 11°C
(51°F)
Average high -4°C
(24°F)		 -3°C
(27°F)		 1°C
(34°F)		 8°C
(47°F)		 16°C
(62°F)		 22°C
(72°F)		 25°C
(77°F)		 25°C
(76°F)		 20°C
(68°F)		 13°C
(55°F)		 4°C
(40°F)		 -2°C
(29°F)
Daily mean -9°C
(17°F)		 -7°C
(19°F)		 -3°C
(27°F)		 4°C
(39°F)		 11°C
(52°F)		 17°C
(62°F)		 20°C
(68°F)		 19°C
(67°F)		 15°C
(59°F)		 8°C
(47°F)		 1°C
(33°F)		 -6°C
(22°F)
Average low -13°C
(10°F)		 -12°C
(11°F)		 -7°C
(19°F)		 -0°C
(31°F)		 5°C
(42°F)		 11°C
(52°F)		 15°C
(59°F)		 14°C
(58°F)		 10°C
(50°F)		 5°C
(41°F)		 -3°C
(27°F)		 -10°C
(15°F)
Mean minimum -23°C
(-9°F)		 -22°C
(-7°F)		 -19°C
(-3°F)		 -8°C
(19°F)		 -0°C
(32°F)		 5°C
(41°F)		 9°C
(49°F)		 9°C
(48°F)		 3°C
(37°F)		 -2°C
(29°F)		 -13°C
(10°F)		 -20°C
(-3°F)
Minimum -29°C
(-20°F)		 -25°C
(-12°F)		 -22°C
(-8°F)		 -14°C
(7°F)		 -2°C
(29°F)		 2°C
(36°F)		 8°C
(47°F)		 7°C
(45°F)		 -0°C
(32°F)		 -6°C
(22°F)		 -18°C
(0°F)		 -25°C
(-13°F)

Compare climate in Millinocket with other places

Compare temperature, precipitation, sunshine, UV index in Millinocket, Maine, United States with other places around the world.

Monthly average precipitation in Millinocket, Maine, United States §

Millinocket usually has the most precipitation in April, October and December, with an average of 11 rainy days and 130 mm (5.1 inches) of precipitation per month.The driest months in Millinocket are February, March and June. On average, 84 mm (3.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Millinocket, Maine, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 97 (3.8) 89 (3.5) 81 (3.2) 132 (5.2) 101 (4.0) 83 (3.3) 100 (3.9) 89 (3.5) 93 (3.7) 135 (5.3) 120 (4.7) 122 (4.8)
Average precipitation days (≥ 1 mm) 9 11 9 13 11 11 13 11 9 11 11 10

Monthly sunshine hours in Millinocket, Maine, United States §

The sunniest months in Millinocket are June, July and August, when the sun shines an average of 10 hours 19 minutes a day.Least sunny months in Millinocket: January, November and December receive an average of 4 hours 57 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Millinocket, Maine, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 129 180 238 220 277 312 321 314 272 192 166 160
Mean daily daylight hours 9h 8m 10h 23m 11h 57m 13h 33m 14h 56m 15h 37m 15h 15m 14h 1m 12h 28m 10h 52m 9h 27m 8h 44m

Solar UV radiation in Millinocket, Maine, United States §

Millinocket experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 8 - 10, which corresponds to the Very High category of sun exposure.January, November and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Millinocket UV Index data.

Average daily maximum UV levels by month for Millinocket, Maine, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 2 4 5 7 9 10 8 8 7 5 3 2